# -*- coding: UTF-8 -*-
from typing import List
from leetcode_helper import TestcaseHelper, SolutionBase


class Solution(SolutionBase):
    # 解题的方法，命名和Leetcode的保持一致即可
    def convertToTitle(self, columnNumber: int) -> str:
        title = []
        while columnNumber > 0:
            temp = (columnNumber - 1) % 26 + 1
            ch = chr(ord('A') + temp - 1)
            title.insert(0, ch)
            columnNumber = (columnNumber - temp) // 26

        return ''.join(title)


if __name__ == '__main__':
    solution = Solution()

    # 按照leetcode的题目说明，将基本的test case填入
    # 每条case的最后一个元素是正确的结果，即期待的结果
    # 使用元组来保存输入的数据，期待的结果
    testcases = [
        (701, "ZY"),
        (1, "A"),
        (28, "AB"),
        (2147483647, "FXSHRXW")
    ]

    for case_item in testcases:
        # 获取测试用的case和期待的执行结果
        input1 = case_item[0]
        expect = case_item[len(case_item) - 1]
        exec_result = solution.convertToTitle(input1)

        # 判断执行结果，输出提示信息
        check_result = solution.check_result(expect, exec_result)
        TestcaseHelper.print_case(check_result, case_item, exec_result)
